EP4179630A1 - Unités d'alimentation électrique et unités de traitement de bande de base destinées à des noeuds de réseau d'accès radio - Google Patents

Unités d'alimentation électrique et unités de traitement de bande de base destinées à des noeuds de réseau d'accès radio

Info

Publication number
EP4179630A1
EP4179630A1 EP20740288.4A EP20740288A EP4179630A1 EP 4179630 A1 EP4179630 A1 EP 4179630A1 EP 20740288 A EP20740288 A EP 20740288A EP 4179630 A1 EP4179630 A1 EP 4179630A1
Authority
EP
European Patent Office
Prior art keywords
processing unit
ran node
psu
power supply
plc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20740288.4A
Other languages
German (de)
English (en)
Inventor
Lackis ELEFTHERIADIS
Athanasios KARAPANTELAKIS
Ioannis Fikouras
Konstantinos Vandikas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of EP4179630A1 publication Critical patent/EP4179630A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/22—Performing reselection for specific purposes for handling the traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/20—Interfaces between hierarchically similar devices between access points

Definitions

  • This disclosure relates to power supply units (PSUs) and baseband (BB) processing units for use in radio access network (RAN) nodes, and in particular to enabling communications between BB processing units.
  • PSUs power supply units
  • BB baseband processing units
  • RAN radio access network
  • a so-called macrocell provided by a radio access network (RAN) node (such as a base station, an eNode B, eNB, a gNB, etc.) becomes overloaded with active users/wireless devices (also referred to as User Equipments, UEs) and it is desirable to handover some of the UEs to another cell, e.g. a small cell such as a nearby access point (AP) or a smaller range cell (e.g. a so-called picocell).
  • RAN radio access network
  • AP access point
  • picocell e.g. a so-called picocell
  • a suitable small range cell is provided by the Ericsson Radio Dot small cell device.
  • the macrocell is overloaded, then offloading to a small cell with 3GPP connectivity will still suffer from the same QoS problems, as the bandwidth (i.e. the spectrum range that the operator is licensed to use) is still the same as the macrocell.
  • BB processing units can be used for other purposes, such as exchanging other types of BB control plane signalling, such as reference signals (e.g. reference signals (RS) in 4G, surrounding reference signals (SRS) in 5G, channel state information (CSI)- RS) and/or transmission power information (i.e. information on the transmission power used by a RAN node).
  • reference signals e.g. reference signals (RS) in 4G, surrounding reference signals (SRS) in 5G, channel state information (CSI)- RS
  • CSI channel state information
  • transmission power information i.e. information on the transmission power used by a RAN node
  • a first baseband, BB, processing unit configured for processing baseband signals in a first radio access network, RAN, node in a communication network.
  • the first BB processing unit is configured to connect to a power line communication, PLC, unit of a power supply unit, PSU, of the first RAN node.
  • the PSU is configured to connect to an electrical power supply, and the PLC unit of the PSU is configured to operate according to a PLC protocol using the electrical power supply.
  • the first BB processing unit is configured to communicate with a second BB processing unit in a second RAN node via the PSU.
  • a radio access network, RAN, node for use in a communication network.
  • the RAN node comprises one or both of a PSU according to the first aspect or any embodiment thereof; and a first BB processing unit according to the second aspect or any embodiment thereof.
  • a method of operating a power supply unit, PSU, in a first radio access network, RAN, node in a communication network comprises a power supply input interface connected to an electrical power supply, and a power line communication, PLC, unit connected to the power supply input interface.
  • the method comprises enabling communications according to a PLC protocol using the electrical power supply between a first baseband, BB, processing unit in the first RAN node that is for processing baseband signals in the first RAN node and a second BB processing unit in a second RAN node that is also connected to the electrical power supply.
  • a method of operating a first baseband, BB, processing unit in a first radio access network, RAN, node in a communication network The first BB processing unit is connected to a power line communication, PLC, unit of a power supply unit, PSU, of the first RAN node.
  • the PSU is connected to an electrical power supply and the PLC unit of the PSU is configured to operate according to a PLC protocol using the electrical power supply.
  • the method comprises communicating with a second BB processing unit in a second RAN node via the PLC unit of the PSU.
  • FIG. 1 is a block diagram of a wireless network in accordance with some embodiments
  • Fig. 2 is a schematic diagram of components of RAN nodes for different network operators located at the same radio site;
  • Fig. 3 is a block diagram showing two conventional PSUs connected to a common electrical power supply
  • Fig. 4 is a block diagram showing two PSUs and BB processing units according to embodiments of the techniques described herein;
  • Fig. 5 is a graph illustrating how the used capacity of a cell can vary over time
  • Fig. 6 is a diagram illustrating the communication paths used to effect a handover using PLC
  • Fig. 7 is a signalling diagram illustrating a handover procedure using PLC communications between two BB processing units at a radio site;
  • Fig. 8 is a PLC testing procedure that can be performed in various embodiments.
  • Fig. 9 is a flow chart representing a method of operating a PSU according to various embodiments.
  • a wireless network such as the example wireless network illustrated in Fig. 1.
  • the wireless network of Fig. 1 only depicts network 106, a first network node 160a, and WDs 110a, 110b, and 110c.
  • a wireless network may further include any additional elements suitable to support communication between wireless devices or between a wireless device and another communication device, such as a landline telephone, a service provider, or any other network node or end device.
  • first network node 160a and wireless device (WD) 110a are depicted with additional detail.
  • a 230/240 Volt AC power supply Various components of the first network node 160a are shown in Fig. 1 and described in more detail below, and it will be appreciated that the second network node 160b can comprise similar components.
  • references below to “network node 160” can be understood as referring to both or either of the first network node 160a and the second network node 160b in Fig 1.
  • references below to “wireless device 110” or “WD 110” can be understood as referring to any or all of the WDs 110a, 110b and 110c.
  • the wireless network may comprise and/or interface with any type of communication, telecommunication, data, cellular, and/or radio network or other similar type of system.
  • the wireless network may be configured to operate according to specific standards or other types of predefined rules or procedures.
  • particular embodiments of the wireless network may implement communication standards, such as Global System for Mobile Communications (GSM), Universal Mobile Telecommunications System (UMTS), Long Term Evolution (LTE), and/or other suitable 2G, 3G, 4G, or 5G standards; wireless local area network (WLAN) standards, such as the IEEE 802.11 standards; and/or any other appropriate wireless communication standard, such as the Worldwide Interoperability for Microwave Access (WiMax), Bluetooth, Z-Wave and/or ZigBee standards.
  • GSM Global System for Mobile Communications
  • UMTS Universal Mobile Telecommunications System
  • LTE Long Term Evolution
  • WLAN wireless local area network
  • WiMax Worldwide Interoperability for Microwave Access
  • Bluetooth Z-Wave and/or ZigBee standards.
  • Network 106 may comprise one or more backhaul networks, core networks, IP networks, public switched telephone networks (PSTNs), packet data networks, optical networks, wide-area networks (WANs), local area networks (LANs), wireless local area networks (WLANs), wired networks, wireless networks, metropolitan area networks, and other networks to enable communication between devices.
  • Network node 160 and WD 110 comprise various components described in more detail below. These components work together in order to provide network node and/or wireless device functionality, such as providing wireless connections in a wireless network.
  • the wireless network may comprise any number of wired or wireless networks, network nodes, base stations, controllers, wireless devices, relay stations, and/or any other components or systems that may facilitate or participate in the communication of data and/or signals whether via wired or wireless connections.
  • network node refers to equipment capable, configured, arranged and/or operable to communicate directly or indirectly with a wireless device and/or with other network nodes or equipment in the wireless network to enable and/or provide wireless access to the wireless device and/or to perform other functions (e.g., administration) in the wireless network.
  • network nodes include, but are not limited to, access points (APs) (e.g., radio access points), base stations (BSs) (e.g., radio base stations, Node Bs, evolved Node Bs (eNBs) and NR NodeBs (gNBs)).
  • APs access points
  • BSs base stations
  • eNBs evolved Node Bs
  • gNBs NR NodeBs
  • Base stations may be categorized based on the amount of coverage they provide (or, stated differently, their transmit power level) and may then also be referred to as femto base stations, pico base stations, micro base stations, or macro base stations.
  • a base station may be a relay node or a relay donor node controlling a relay.
  • a network node may also include one or more (or all) parts of a distributed radio base station such as centralized digital units and/or remote radio units (RRUs), sometimes referred to as Remote Radio Heads (RRHs). Such remote radio units may or may not be integrated with an antenna as an antenna integrated radio.
  • RRUs remote radio units
  • RRHs Remote Radio Heads
  • Such remote radio units may or may not be integrated with an antenna as an antenna integrated radio.
  • Parts of a distributed radio base station may also be referred to as nodes in a distributed antenna system (DAS).
  • DAS distributed antenna system
  • network nodes include multi-standard radio (MSR) equipment such as MSR BSs, network controllers such as radio network controllers (RNCs) or base station controllers (BSCs), base transceiver stations (BTSs), transmission points, transmission nodes, multi-cell/multicast coordination entities (MCEs), core network nodes (e.g., MSCs, MMEs), O&M nodes, OSS nodes, SON nodes, positioning nodes (e.g., E-SMLCs), and/or MDTs.
  • MSR multi-standard radio
  • RNCs radio network controllers
  • BSCs base station controllers
  • BTSs base transceiver stations
  • transmission points transmission nodes
  • MCEs multi-cell/multicast coordination entities
  • core network nodes e.g., MSCs, MMEs
  • O&M nodes e.g., OSS nodes, SON nodes, positioning nodes (e.g., E-SMLCs), and/or MDTs.
  • network nodes may represent any suitable device (or group of devices) capable, configured, arranged, and/or operable to enable and/or provide a wireless device with access to the wireless network or to provide some service to a wireless device that has accessed the wireless network.
  • network node 160 includes processing circuitry 170, device readable medium 180, interface 190, auxiliary equipment 184, power source 186, power circuitry 187, and antenna 162.
  • network node 160 illustrated in the example wireless network of Fig. 1 may represent a device that includes the illustrated combination of hardware components, other embodiments may comprise network nodes with different combinations of components. It is to be understood that a network node comprises any suitable combination of hardware and/or software needed to perform the tasks, features, functions and methods disclosed herein.
  • network node 160 may comprise multiple different physical components that make up a single illustrated component (e.g., device readable medium 180 may comprise multiple separate hard drives as well as multiple RAM modules).
  • network node 160 may be composed of multiple physically separate components (e.g., a NodeB component and a RNC component, or a BTS component and a BSC component, etc.), which may each have their own respective components.
  • network node 160 comprises multiple separate components (e.g., BTS and BSC components)
  • one or more of the separate components may be shared among several network nodes.
  • a single RNC may control multiple NodeB’s.
  • each unique NodeB and RNC pair may in some instances be considered a single separate network node.
  • network node 160 may be configured to support multiple radio access technologies (RATs).
  • RATs radio access technologies
  • Network node 160 may also include multiple sets of the various illustrated components for different wireless technologies integrated into network node 160, such as, for example, GSM, WCDMA, LTE, NR, WiFi, or Bluetooth wireless technologies. These wireless technologies may be integrated into the same or different chip or set of chips and other components within network node 160.
  • Processing circuitry 170 is configured to perform any determining, calculating, or similar operations (e.g., certain obtaining operations) described herein as being provided by a network node. These operations performed by processing circuitry 170 may include processing information obtained by processing circuitry 170 by, for example, converting the obtained information into other information, comparing the obtained information or converted information to information stored in the network node, and/or performing one or more operations based on the obtained information or converted information, and as a result of said processing making a determination.
  • processing information obtained by processing circuitry 170 by, for example, converting the obtained information into other information, comparing the obtained information or converted information to information stored in the network node, and/or performing one or more operations based on the obtained information or converted information, and as a result of said processing making a determination.
  • Processing circuitry 170 may comprise a combination of one or more of a microprocessor, controller, microcontroller, central processing unit, digital signal processor, application-specific integrated circuit, field programmable gate array, or any other suitable computing device, resource, or combination of hardware, software and/or encoded logic operable to provide, either alone or in conjunction with other network node 160 components, such as device readable medium 180, network node 160 functionality.
  • processing circuitry 170 may execute instructions stored in device readable medium 180 or in memory within processing circuitry 170. Such functionality may include providing any of the various wireless features, functions, or benefits discussed herein.
  • processing circuitry 170 may include a system on a chip (SOC).
  • SOC system on a chip
  • processing circuitry 170 executing instructions stored on device readable medium 180 or memory within processing circuitry 170.
  • some or all of the functionality may be provided by processing circuitry 170 without executing instructions stored on a separate or discrete device readable medium, such as in a hard-wired manner.
  • processing circuitry 170 can be configured to perform the described functionality. The benefits provided by such functionality are not limited to processing circuitry 170 alone or to other components of network node 160, but are enjoyed by network node 160 as a whole, and/or by end users and the wireless network generally.
  • Device readable medium 180 may comprise any form of volatile or non-volatile computer readable memory including, without limitation, persistent storage, solid-state memory, remotely mounted memory, magnetic media, optical media, random access memory (RAM), read-only memory (ROM), mass storage media (for example, a hard disk), removable storage media (for example, a flash drive, a Compact Disk (CD) or a Digital Video Disk (DVD)), and/or any other volatile or non-volatile, non-transitory device readable and/or computer-executable memory devices that store information, data, and/or instructions that may be used by processing circuitry 170.
  • volatile or non-volatile computer readable memory including, without limitation, persistent storage, solid-state memory, remotely mounted memory, magnetic media, optical media, random access memory (RAM), read-only memory (ROM), mass storage media (for example, a hard disk), removable storage media (for example, a flash drive, a Compact Disk (CD) or a Digital Video Disk (DVD)), and/or any other volatile or non
  • Device readable medium 180 may store any suitable instructions, data or information, including a computer program, software, an application including one or more of logic, rules, code, tables, etc. and/or other instructions capable of being executed by processing circuitry 170 and, utilized by network node 160.
  • Device readable medium 180 may be used to store any calculations made by processing circuitry 170 and/or any data received via interface 190.
  • processing circuitry 170 and device readable medium 180 may be considered to be integrated.
  • Interface 190 is used in the wired or wireless communication of signalling and/or data between network node 160, network 106, and/or WDs 110. As illustrated, interface 190 comprises port(s)/terminal(s) 194 to send and receive data, for example to and from network 106 over a wired connection. Interface 190 also includes radio front end circuitry 192 that may be coupled to, or in certain embodiments a part of, antenna 162. Radio front end circuitry 192 comprises filters 198 and amplifiers 196. Radio front end circuitry 192 may be connected to antenna 162 and processing circuitry 170. Radio front end circuitry may be configured to condition signals communicated between antenna 162 and processing circuitry 170.
  • network node 160 may not include separate radio front end circuitry 192, instead, processing circuitry 170 may comprise radio front end circuitry and may be connected to antenna 162 without separate radio front end circuitry 192.
  • processing circuitry 170 may comprise radio front end circuitry and may be connected to antenna 162 without separate radio front end circuitry 192.
  • all or some of RF transceiver circuitry 172 may be considered a part of interface 190.
  • interface 190 may include one or more ports or terminals 194, radio front end circuitry 192, and RF transceiver circuitry 172, as part of a radio unit (not shown), and interface 190 may communicate with baseband processing circuitry 174, which is part of a digital unit (not shown).
  • Antenna 162, interface 190, and/or processing circuitry 170 may be configured to perform any receiving operations and/or certain obtaining operations described herein as being performed by a network node. Any information, data and/or signals may be received from a wireless device, another network node and/or any other network equipment. Similarly, antenna 162, interface 190, and/or processing circuitry 170 may be configured to perform any transmitting operations described herein as being performed by a network node. Any information, data and/or signals may be transmitted to a wireless device, another network node and/or any other network equipment.
  • Power circuitry 187 may comprise, or be coupled to, power management circuitry and is configured to supply the components of network node 160 with power for performing the functionality described herein.
  • Power circuitry 187 may receive power from power source 186.
  • Power source 186 can be an electrical power supply.
  • Power circuitry 187 may be configured to provide power to the various components of network node 160 in a form suitable for the respective components (e.g., at a voltage and current level needed for each respective component).
  • the power circuitry 187 can comprise a power supply unit (PSU) 188 that is to connect to power source 186, and the PSU 188 outputs power at a suitable level and/or form (e.g. a suitable DC voltage) to a power distribution unit (PDU) 189 in the power circuitry 187.
  • PSU power supply unit
  • the PDU 189 distributes the power to the various components of the network node 160.
  • Power source 186 is external to power circuitry 187 and network node 160.
  • network node 160 is connectable to an external power source (e.g., an AC electricity outlet) via an input circuitry or interface such as an electrical cable, whereby the external power source 186 supplies power to power circuitry 187.
  • an external power source e.g., an AC electricity outlet
  • the network node 160 may also comprise a source of power in the form of a battery or battery pack which is connected to, or integrated in, power circuitry 187.
  • the battery may provide backup power should the external power source fail.
  • Other types of power sources, such as photovoltaic devices, may also be used.
  • network node 160 may include additional components beyond those shown in Figure 1 that may be responsible for providing certain aspects of the network node’s functionality, including any of the functionality described herein and/or any functionality necessary to support the subject matter described herein.
  • network node 160 may include user interface equipment to allow input of information into network node 160 and to allow output of information from network node 160. This may allow a user to perform diagnostic, maintenance, repair, and other administrative functions for network node 160.
  • wireless device refers to a device capable, configured, arranged and/or operable to communicate wirelessly with network nodes and/or other wireless devices.
  • the term WD may be used interchangeably herein with user equipment (UE).
  • Communicating wirelessly may involve transmitting and/or receiving wireless signals using electromagnetic waves, radio waves, infrared waves, and/or other types of signals suitable for conveying information through air.
  • a WD may be configured to transmit and/or receive information without direct human interaction.
  • a WD may be designed to transmit information to a network on a predetermined schedule, when triggered by an internal or external event, or in response to requests from the network.
  • Examples of a WD include, but are not limited to, a smart phone, a mobile phone, a cell phone, a voice over IP (VoIP) phone, a wireless local loop phone, a desktop computer, a personal digital assistant (PDA), a wireless cameras, a gaming console or device, a music storage device, a playback appliance, a wearable terminal device, a wireless endpoint, a mobile station, a tablet, a laptop, a laptop-embedded equipment (LEE), a laptop-mounted equipment (LME), a smart device, a wireless customer-premise equipment (CPE) a vehicle- mounted wireless terminal device, etc.
  • VoIP voice over IP
  • PDA personal digital assistant
  • PDA personal digital assistant
  • a wireless cameras a gaming console or device
  • a music storage device a playback appliance
  • a wearable terminal device a wireless endpoint
  • a mobile station a tablet, a laptop, a laptop-embedded equipment (LEE), a laptop-mounted equipment (L
  • a WD may support device-to-device (D2D) communication, for example by implementing a 3GPP standard for sidelink communication, vehicle-to-vehicle (V2V), vehicle-to-infrastructure (V2I), vehicle-to- everything (V2X) and may in this case be referred to as a D2D communication device.
  • D2D device-to-device
  • V2V vehicle-to-vehicle
  • V2I vehicle-to-infrastructure
  • V2X vehicle-to- everything
  • a WD may represent a machine or other device that performs monitoring and/or measurements, and transmits the results of such monitoring and/or measurements to another WD and/or a network node.
  • the WD may in this case be a machine-to-machine (M2M) device, which may in a 3GPP context be referred to as a machine type communication (MTC) device.
  • M2M machine-to-machine
  • MTC machine type communication
  • the WD may be a UE implementing the 3GPP narrow band internet of things (NB-loT) standard.
  • NB-loT narrow band internet of things
  • machines or devices are sensors, metering devices such as power meters, industrial machinery, or home or personal appliances (e.g. refrigerators, televisions, etc.) personal wearables (e.g., watches, fitness trackers, etc.).
  • a WD may represent a vehicle or other equipment that is capable of monitoring and/or reporting on its operational status or other functions associated with its operation.
  • wireless device 110 includes antenna 111 , interface 114, processing circuitry 120, device readable medium 130, user interface equipment 132, auxiliary equipment 134, power source 136 and power circuitry 137.
  • WD 110 may include multiple sets of one or more of the illustrated components for different wireless technologies supported by WD 110, such as, for example, GSM, WCDMA, LTE, NR, WiFi, WiMAX, or Bluetooth wireless technologies, just to mention a few. These wireless technologies may be integrated into the same or different chips or set of chips as other components within WD 110.
  • Antenna 111 may include one or more antennas or antenna arrays, configured to send and/or receive wireless signals, and is connected to interface 114. In certain alternative embodiments, antenna 111 may be separate from WD 110 and be connectable to WD 110 through an interface or port. Antenna 111 , interface 114, and/or processing circuitry 120 may be configured to perform any receiving or transmitting operations described herein as being performed by a WD. Any information, data and/or signals may be received from a network node and/or another WD. In some embodiments, radio front end circuitry and/or antenna 111 may be considered an interface.
  • interface 114 comprises radio front end circuitry 112 and antenna 111.
  • Radio front end circuitry 112 comprise one or more filters 118 and amplifiers 116.
  • Radio front end circuitry 112 is connected to antenna 111 and processing circuitry 120, and is configured to condition signals communicated between antenna 111 and processing circuitry 120.
  • Radio front end circuitry 112 may be coupled to or a part of antenna 111.
  • WD 110 may not include separate radio front end circuitry 112; rather, processing circuitry 120 may comprise radio front end circuitry and may be connected to antenna 111.
  • some or all of RF transceiver circuitry 122 may be considered a part of interface 114.
  • Radio front end circuitry 112 may receive digital data that is to be sent out to other network nodes or WDs via a wireless connection. Radio front end circuitry 112 may convert the digital data into a radio signal having the appropriate channel and bandwidth parameters using a combination of filters 118 and/or amplifiers 116. The radio signal may then be transmitted via antenna 111. Similarly, when receiving data, antenna 111 may collect radio signals which are then converted into digital data by radio front end circuitry 112. The digital data may be passed to processing circuitry 120. In other embodiments, the interface may comprise different components and/or different combinations of components.
  • Processing circuitry 120 may comprise a combination of one or more of a microprocessor, controller, microcontroller, central processing unit, digital signal processor, application-specific integrated circuit, field programmable gate array, or any other suitable computing device, resource, or combination of hardware, software, and/or encoded logic operable to provide, either alone or in conjunction with other WD 110 components, such as device readable medium 130, WD 110 functionality. Such functionality may include providing any of the various wireless features or benefits discussed herein. For example, processing circuitry 120 may execute instructions stored in device readable medium 130 or in memory within processing circuitry 120 to provide the functionality disclosed herein.
  • processing circuitry 120 includes one or more of RF transceiver circuitry 122, baseband processing circuitry 124, and application processing circuitry 126.
  • the processing circuitry may comprise different components and/or different combinations of components.
  • processing circuitry 120 of WD 110 may comprise a SOC.
  • RF transceiver circuitry 122, baseband processing circuitry 124, and application processing circuitry 126 may be on separate chips or sets of chips.
  • part or all of baseband processing circuitry 124 and application processing circuitry 126 may be combined into one chip or set of chips, and RF transceiver circuitry 122 may be on a separate chip or set of chips.
  • processing circuitry 120 executing instructions stored on device readable medium 130, which in certain embodiments may be a computer-readable storage medium.
  • some or all of the functionality may be provided by processing circuitry 120 without executing instructions stored on a separate or discrete device readable storage medium, such as in a hardwired manner.
  • processing circuitry 120 can be configured to perform the described functionality. The benefits provided by such functionality are not limited to processing circuitry 120 alone or to other components of WD 110, but are enjoyed by WD 110 as a whole, and/or by end users and the wireless network generally.
  • Processing circuitry 120 may be configured to perform any determining, calculating, or similar operations (e.g., certain obtaining operations) described herein as being performed by a WD. These operations, as performed by processing circuitry 120, may include processing information obtained by processing circuitry 120 by, for example, converting the obtained information into other information, comparing the obtained information or converted information to information stored by WD 110, and/or performing one or more operations based on the obtained information or converted information, and as a result of said processing making a determination.
  • processing information obtained by processing circuitry 120 by, for example, converting the obtained information into other information, comparing the obtained information or converted information to information stored by WD 110, and/or performing one or more operations based on the obtained information or converted information, and as a result of said processing making a determination.
  • Device readable medium 130 may be operable to store a computer program, software, an application including one or more of logic, rules, code, tables, etc. and/or other instructions capable of being executed by processing circuitry 120.
  • Device readable medium 130 may include computer memory (e.g., Random Access Memory (RAM) or Read Only Memory (ROM)), mass storage media (e.g., a hard disk), removable storage media (e.g., a Compact Disk (CD) or a Digital Video Disk (DVD)), and/or any other volatile or non-volatile, non-transitory device readable and/or computer executable memory devices that store information, data, and/or instructions that may be used by processing circuitry 120.
  • processing circuitry 120 and device readable medium 130 may be considered to be integrated.
  • Power source 136 may, in some embodiments, be in the form of a battery or battery pack. Other types of power sources, such as an external power source (e.g., an electricity outlet), photovoltaic devices or power cells, may also be used.
  • WD 110 may further comprise power circuitry 137 for delivering power from power source 136 to the various parts of WD 110 which need power from power source 136 to carry out any functionality described or indicated herein.
  • Power circuitry 137 may in certain embodiments comprise power management circuitry.
  • Power circuitry 137 may additionally or alternatively be operable to receive power from an external power source; in which case WD 110 may be connectable to the external power source (such as an electricity outlet) via input circuitry or an interface such as an electrical power cable.
  • the converted electrical power is output via a respective output line 406a/b that is connected to a respective output interface 407a/b.
  • the power converter stage 404a/b can convert input AC electrical power to DC electrical power that is supplied to the other components via output line 406a/b and the output interface 407a/b.
  • the power converter 404a/b is an AC-to-DC converter, e.g. a 230/240 Volts AC to 48 Volt DC converter.
  • a power converter stage 404a/b is not required for the RAN node.
  • the power converter stage 404a/b is external to the PSU 402a/b.
  • the PLC unit 412a/b can implement a protocol stack for communications, comprising protocols typically used for communicating information in telecommunication networks.
  • a protocol stack for communications, comprising protocols typically used for communicating information in telecommunication networks.
  • the PLC unit 412a/b can implement a protocol stack as follows:
  • Data Link Layer Ethernet, Asynchronous Transfer Mode (ATM), etc.
  • IP Internet Protocol
  • the PSUs 608a and 608b are connected to a common electrical power supply 610, and the PLC units in the PSUs enable communications between the RAN node components 604a and 604b, as shown by the line labelled 612.
  • a first wireless device 614 is also shown in Fig. 6 that is initially served by a cell provided by the first network operator (i.e. a cell provided by BB processing unit 606a).
  • B-P the interface between the BB processing unit 606a/b and the PSU 608a/b in the same RAN node
  • P-P the interface between the PSUs 608a/b in the two RAN nodes
  • the B-P interface is provided by Ethernet.
  • the B-P interface between a BB processing unit and a PSU is also Ethernet, although it is only used for relaying information about power load.
  • the P-P interface is provided by Ethernet (e.g. Powerline Ethernet or Ethernet over PLC), or the Asynchronous Transfer Mode (ATM) protocol.
  • Ethernet e.g. Powerline Ethernet or Ethernet over PLC
  • ATM Asynchronous Transfer Mode
  • Fig. 7 is a signalling diagram illustrating a handover procedure using PLC communications between two BB processing units at a radio site due to overload in the cell managed by one of the BB processing units.
  • Fig. 7 relates to a handover of a wireless device (UE) 701 from a first RAN node 702 that is operated by a first network operator to a second RAN node 703 that is operated by a second network operator.
  • the first RAN node 702 includes a first BB processing unit 704 (BB_OP1) and a first PSU 705 (PSUJDP1) that are configured as described above with reference to Fig. 4.
  • the second RAN node 703 includes a second BB processing unit 706 (BB_OP2) and a second PSU 707 (PSUJDP2) that are configured as described above with reference to Fig. 4. Also shown is a first Business Support System (BSS) node 708 (BSSJDP1) that is part of the core network of the first network operator, and an Operating and Support System (OSS) node 709 (OSSJDP2) and a second BSS node 710 (BSSJDP2) that are both part of the core network of the second network operator.
  • BSS Business Support System
  • OSS Operating and Support System
  • BSSJDP2 second BSS node 710
  • the handover procedure illustrated in Fig. 7 corresponds to the conventional handover procedure set out in “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E- UTRAN); Overall description; Stage 2 (Release 16)”; 3GPP TS 36.300 V16.1.0 (2020- OS), except that the communications between the BB processing units 704, 706 are transmitted via the PSUs 705, 707 using PLC.
  • 3GPP TS 36.300 V16.1.0 the above specification is referred to simply as “3GPP TS 36.300 V16.1.0”.
  • the first BB processing unit 704 selects which UE or UEs should temporarily handover to the second cell.
  • the choice of which UEs may be done using any suitable criteria. Suitable criteria may include any one or a combination of the following: activity in terms of throughput: the most active UEs (i.e. those generating the highest throughput) can more likely be chosen for handover. history of handovers: the UEs that are more likely to stay in the area of coverage of the first cell (the ones not highly mobile) are more preferable to be chosen for handover.
  • the first BB processing unit 704 having chosen a suitable UE for handover based on the aforementioned criteria (in this case the first UE 701), initiates a handover request to the second BB processing unit 706, which, instead of using the typical communication route for inter-RAN node handovers (i.e. X2) is relayed to the second BB processing unit 706 of the second network operator’s cell using PLC.
  • the first BB processing unit 704 sends a handover request (signal 722) to the first PSU 705.
  • the handover request 722 can be as described in section 20.2.2.1 of 3GPP TS 36.300 V16.1.0.
  • the content/payload of the handover request 722 can differ from an X2-based handover request message as the handover request is exchanged between two BB processing units belonging to two different network operators. Therefore, the handover request 722 can include an IP address of the serving gateway (SGW) of the first network operator so that a new bearer can be established.
  • SGW serving gateway
  • PGW paging gateway
  • the first PSU 705 relays the handover request to the second PSU 707 of the second RAN node 703 using PLC (shown as signal 723), and the second PSU 707 sends the handover request on to the second BB processing unit 706, as shown by signal 724.
  • PLC shown as signal 723
  • the second PSU 707 sends the handover request on to the second BB processing unit 706, as shown by signal 724.
  • the second BB processing unit 706 determines that a handover to the second cell is possible, and responds to the handover request by sending a handover request acknowledgement (signal 725) to the first BB processing unit 704.
  • the handover request acknowledgement 725 can be as described in section 20.2.2.1 of 3GPP TS 36.300 V16.1.0.
  • This handover request acknowledgement is sent to the second PSU 707 (shown as signal 725), which relays the acknowledgement to the first PSU 705 via PLC (signal 726).
  • the first PSU 705 forwards the acknowledgement to the first BB processing unit 704 (signal 727).
  • the first BB processing unit 704 After receiving the handover acknowledgement, the first BB processing unit 704 sends a handover command message 728 to the first UE 701 to inform the first UE 701 that a handover to the second cell will be performed. Although not shown in Fig. 7, the UE 701 subsequently makes a preamble attempt to connect to the second RAN node 703. The UE 701 continues to attempt this until it attaches to the second RAN node 703.
  • the first BB processing unit 704 sends a status message to the second BB processing unit 706 to provide the second BB processing unit 706 with the information required for a successful handover of the first UE 701 to the target cell.
  • This status message can be a “SN [Sequence Number] Status Transfer” message that is defined for a X2 handover and that is used to transfer an uplink Packet Data Convergence Protocol (PDCP) SN and Hyper Frame Number (HFN) receiver status and the downlink PDCP SN and HFN transmitter status for the first UE 701 from the first RAN node 702 to the second RAN node 703.
  • PDCP Packet Data Convergence Protocol
  • HFN Hyper Frame Number
  • the first UE 701 Having completed the handover to the second RAN node 703 (i.e. the first UE 701 is now communicating with the second RAN node 703), the first UE 701 then sends a handover confirm message 732 to the second BB processing unit 706.
  • the second BB processing unit 706 notifies a mobility management node in the core network (e.g. a Mobility Management Entity (MME) in 4G or an Access and Mobility Management Function (AMF) in 5G.
  • MME Mobility Management Entity
  • AMF Access and Mobility Management Function
  • the second BB processing unit 706 sends information 733 about service parameters to the OSS node 709 in the second network operator’s core network.
  • This information 733 is sent to the OSS node 709 using the normal backhaul connections for the second RAN node 703.
  • the service parameter information 733 can include information indicating the duration of the attachment of the first UE 701 to the second cell.
  • the handover may be set to last for up to a maximum amount of time before the first UE 701 is handed back to the first cell.
  • This time-limited handover is useful since a handover of this type causes the first UE 701 to roam to the network of the second network operator, and this may result in roaming charges that will need to be borne by either the first network operator, or passed on to the subscriber that owns the first UE 701.
  • the duration of the time-limited handover may be predetermined, for example by agreement between the first network operator and the second network operator.
  • the service parameter information 733 can also or alternatively include information indicating any policies applied to the first UE 701 , such as those relating to QoS, Guaranteed Bit Rate (GBR), latency ceiling, etc.
  • step 734 the handover process continues in the normal way (e.g. as described in 3GPP TS 36.300 V16.1.0), with path switch requests being sent to handover the first UE 701 to the second cell, and the first UE 701 is now served by the second RAN node 703.
  • step 734 if the specified duration of the handover to the second cell expires, the first UE 701 can be handed back to the first cell by the second RAN node 703.
  • This handover as shown by step 735, can follow the same process outlined above with respect to steps/signals 722-734, with the roles of the first BB processing unit 704 and the second BB processing unit 706 reversed.
  • the OSS 709 can send information 736 about the first UE’s attachment to the second cell to the second BSS 710.
  • This information 736 can comprise service consumption data, such as the duration of attachment of the first UE 701 to the second cell, the amount of data traffic generated, the policies used, etc.
  • the second BSS 710 can then send billing information 737 to the first BSS 708 in the first network operator’s network.
  • the billing information can indicate the charge or cost of the roaming of the first UE 701 to the second network operator’s network this billing information 737 can be sent using the normal communication links between different core networks.
  • the signalling relating to the establishment of the handover is performed via PLC between the BB processing units and PSUs of each of the RAN nodes.
  • a reliability check of the PLC link between the PSUs can be performed to determine if it is possible to use PLC to communicate between the BB processing units.
  • this check can be performed using the Internet Control Message Protocol (ICMP).
  • ICMP Internet Control Message Protocol
  • a reliability check can use TCP-based communications to send a test message over the PLC link. Depending on the amount of packet drops and/or amount of re-transmissions that occur during this test, the PLC link can be deemed as reliable or unreliable.
  • an observed number of packet drops and/or amount of retransmissions can be compared to a (respective) reliability threshold, and if the number of packet drops and/or amount of retransmissions is above the (respective) reliability threshold, then the PLC link can be considered to be unreliable.
  • the Bit Error Rate (BER) of a signal over the PLC link can be an indicator of the reliability of the power supply, and whether the power supply is subjected to large interference or disturbance. On a stable power supply, the BER is very low, close to zero.
  • the PLC link becomes unreliable (e.g. the bit error rate value increases above a reliability threshold), it may still be acceptable to utilise the PLC link for non-mission critical transmissions such as the availability of the RAN node, in case a discovery request over PLC is transmitted, or for periodic diagnostic signals.
  • a high value of bit error rate may be accepted, depended on use case and criticality of the messages/request.
  • the Bit Error Rate value (or other indicator of signal reliability) indicates high interference and/or low reliability
  • one or more of the PSUs connected to the power supply can be switched off for a short period while the signals are sent between the BB processing units via PLC and then switched back on again once the signal(s) have been sent.
  • a transmitting PSU can be briefly switched off once it has transmitted the PLC data packets towards the other BB processing unit so that there is less interference for a receiving PSU in receiving those data packets.
  • Switching one or more PSUs off can help to avoid back feed transients from a PSU to the electrical power supply/AC grid, enabling higher quality/reliability PLC communications to take place.
  • a PSU can be switched off for 1 millisecond while a PLC communication is to take place and then switched back on. This switching off and on can be repeated whenever signals are to be sent between the BB processing units and/or PSUs via PLC.
  • FIG. 8 illustrates a PLC testing procedure that can be performed in various embodiments of the present disclosure.
  • Fig. 8 shows the signalling between a first PSU 801 (PSU 1) for a first RAN node that is operated by a first network operator, a second PSU 802 (PSU 2) for a second RAN node that is operated by a second network operator, a first PSU controller 803 (PSU controller 1) in the first PSU 801 , a second PSU controller 804 (PSU controller 2) in the second PSU 802, a first BB processing unit 804 (BB processing unit 1) in the first RAN node and a second BB processing unit 806 (BB processing unit 2) in the second RAN node.
  • PSU 801 , second PSU 802, first PSU controller 803, second PSU controller 804, first BB processing unit 804 and second BB processing unit 806 can be configured as described above with reference to the corresponding components shown in Fig. 4.
  • each of the first PSU 801 and the second PSU 802 measure the input voltage received from the electrical power supply. This is shown by steps 820 and 821 respectively.
  • the PSUs 801 , 802 evaluate the measured input voltages to determine if there is interference in the power supply. If, or when, one (or both) of the PSUs 801 , 802 detects interference in the power supply, for example if the interference is above a threshold amount, the PSU 801 , 802 initiates a quality detection process 824. In the following it is assumed that the first PSU 801 detects the interference and initiates the quality detection process 824.
  • the quality detection process 824 is initiated by the first PSU 801 sending an initiation message 825 to the first PSU controller 803. After receiving the initiation message 825, the first PSU controller 803 sends a request 826 for a test transmission to the second PSU controller 804. The second PSU controller 804 acknowledges the request with acknowledgement 827, and the first PSU controller 803 initiates and transmits a test message 828 to the second PSU controller 804 (e.g. a message according to the ICMP). In step 829 the second PSU controller 804 measures a quality parameter (e.g. BER) of the test message and transmits an indication 830 of the measured quality parameter to the first PSU controller 803. The indication 830 may be the measured value of the quality parameter itself. In step 831 the first PSU controller
  • step 831 can comprise comparing a received BER measurement to a BER threshold to determine if the quality of the PLC is acceptable.
  • each of the BB processing units 805, 806 determines whether a transmission can or is to be sent using the PLC link. This decision is based on the information received in signals 832, 833 respectively.
  • Each of the BB processing units 805, 806 signals to the respective PSU controller 802, 803 a status indicating whether a transmission is to be sent using the PLC link. The status signals are labelled 835 and 836 respectively.
  • the flow chart in Fig. 9 illustrates a method of operating a PSU 402a according to embodiments of the techniques described herein.
  • the PSU 402a is in use in a first RAN node in a communication network.
  • the PSU 402a comprises a power supply input interface 403a connected to an electrical power supply 400, and a PLC unit 412a connected to the power supply input interface 403a.
  • the PSU 402a further comprises an AC to DC converter configured to convert AC electrical power received by the power supply input interface 403a from the electrical power supply 400 to DC electrical power at an output interface 407a of the PSU 402a.
  • the PSU 402a further comprises a PSU controller 408a.
  • step 901 the method comprises enabling communications according to a PLC protocol using the electrical power supply 400 between a first BB processing unit 410a in the first RAN node and a second BB processing unit 410b in a second RAN node that is also connected to the electrical power supply 400.
  • this step comprises operating according to the PLC protocol using AC electrical power.
  • the first RAN node is operated by a first network operator and the second RAN node is operated by a second, different, network operator.
  • both RAN nodes are operated by the same network operator.
  • the first RAN node and the second RAN node are located at a same site (i.e. same geographical location).
  • the method further comprises the PSU controller 408a determining a reliability of the electrical power supply 400 for handling communications between the first BB processing unit 410a and the second BB processing unit 410b using PLC.
  • determining the reliability can comprise determining a number of packet drops and/or amount of retransmissions of a test message sent between the first BB processing unit 410a and the second BB processing unit 410b.
  • determining the reliability can comprise determining a Bit Error Rate for the PLC link.
  • the method can further comprise the PSU controller 408a determining whether to switch off the PSU 402a after information is sent to the second BB processing unit 410b using PLC based on the determined reliability of the electrical power supply 400.
  • the communications between the first BB processing unit 410a and the second BB processing unit 410b can comprise control plane signalling.
  • the communications between the first BB processing unit 410a and the second BB processing unit 410b relate to a handover of a first wireless device that is served by one of the first RAN node and the second RAN node to the other one of the first RAN node and the second RAN node.
  • the communications can be any one or more of a handover request, a handover request acknowledgement and a SN Status Transfer message.
  • the handover request can comprise an IP address of a serving gateway of the first network operator.
  • the flow chart in Fig. 10 illustrates a method of operating a first BB processing unit 410a according to embodiments of the techniques described herein.
  • the first BB processing unit 410a is in use in a first RAN node in a communication network.
  • the first BB processing unit 410a is connected to a PLC unit 412a of a PSU 402a of the first RAN node.
  • the first BB processing unit 410a connects to the PSU 402a to receive electrical power.
  • the PSU 402a is connected to an electrical power supply 400 and the PLC unit 412a is configured to operate according to a PLC protocol using the electrical power supply 400.
  • the PSU 402a further comprises an AC to DC converter configured to convert AC electrical power received by the power supply input interface 403a from the electrical power supply 400 to DC electrical power at an output interface 407a of the PSU 402a.
  • the PSU 402a further comprises a PSU controller 408a.
  • step 1001 the method comprises communicating with a second BB processing unit 410b in a second RAN node via the PLC unit 412a of the PSU 402a.
  • the first RAN node is operated by a first network operator and the second RAN node is operated by a second, different, network operator.
  • both RAN nodes are operated by the same network operator.
  • the first RAN node and the second RAN node are located at a same site (i.e. same geographical location).
  • the first RAN node and the second RAN node are preferably connected to a same electrical power supply.
  • the method further comprises the first BB processing unit 410a receiving an indication from the PSU 402a as to a reliability of the electrical power supply 400 for handling communications between the first BB processing unit 410a and the second BB processing unit 410b using PLC.
  • the method can further comprise sending an indication to the PSU 402a indicating whether communications are to be sent to and/or received from the second BB processing unit 410b using PLC. The indication sent to the PSU 402a is based on the received indication of the reliability of the electrical power supply 400.
  • the communications between the first BB processing unit 410a and the second BB processing unit 410b comprise control plane signalling.
  • the communications between the first BB processing unit 410a and the second BB processing unit 410b relate to a handover of a first wireless device that is served by one of the first RAN node and the second RAN node to the other one of the first RAN node and the second RAN node.
  • the communications can be any one or more of a handover request, a handover request acknowledgement and a SN Status Transfer message.
  • the handover request can comprise an IP address of a serving gateway of the first network operator.
  • the method can further comprise monitoring a load in a first cell operated by the first RAN node, and determining whether a handover of one or more wireless devices served by the first cell is required based on the load in the first cell. If it is determined that a handover of one or more wireless devices is required, then the method can further comprise sending a handover request to the second RAN node via the PSU 402a. In some embodiments, the method further comprises identifying one or more wireless devices served by the first cell that are to be handed over to the second RAN node if it is determined that a handover of one or more wireless devices is required.
  • the present disclosure enables signalling to be sent between BB processing units located at the same radio site (particularly those managed by different network operators) using PLC.
  • the PLC link can be used to efficiently send, receive or exchange control plane signalling, including signalling relating to a handover of one or more wireless devices from one RAN node to another.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Selon un aspect, la présente invention concerne une unité d'alimentation électrique, PSU, configurée pour une utilisation dans un premier nœud de réseau d'accès radio, RAN, dans un réseau de communication. La PSU comprend une interface d'entrée d'alimentation électrique configurée pour permettre à la PSU d'être connectée à une alimentation électrique et de recevoir de celle-ci une énergie électrique ; et une unité de communication à courants porteurs, PLC, connectée à l'interface d'entrée d'alimentation électrique et configurée pour se connecter à une première unité de traitement de bande de base, BB, dans le premier nœud RAN. La première unité de traitement BB est configurée pour traiter des signaux de bande de base dans le premier nœud RAN. L'unité PLC est configurée pour fonctionner selon un protocole PLC pour permettre des communications entre la première unité de traitement BB et une seconde unité de traitement BB dans un second nœud RAN qui est également connecté à l'alimentation électrique.
EP20740288.4A 2020-07-10 2020-07-10 Unités d'alimentation électrique et unités de traitement de bande de base destinées à des noeuds de réseau d'accès radio Pending EP4179630A1 (fr)

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12236958B2 (en) * 2021-05-04 2025-02-25 Cypress Semiconductor Corporation Retransmission softbit decoding
WO2025193135A1 (fr) * 2024-03-11 2025-09-18 Telefonaktiebolaget Lm Ericsson (Publ) Premier nœud et procédés mis en œuvre par celui-ci pour la gestion de données

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060142066A1 (en) * 2004-12-02 2006-06-29 Swisscom Mobile Ag Cellular mobile radio network and method for setting up a base station of a cellular mobile radio network
US20120307917A1 (en) * 2011-06-06 2012-12-06 Mariana Goldhamer Connecting various wireless terminals over power lines
CN110739989A (zh) * 2019-10-24 2020-01-31 深圳市泰衡诺科技有限公司 5g回传装置及其通信方法、网络拓扑系统及其通信方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL154921A (en) * 2003-03-13 2011-02-28 Mosaid Technologies Inc A telephone system that includes many separate sources and accessories for it
US7269403B1 (en) * 2004-06-03 2007-09-11 Miao George J Dual-mode wireless and wired power line communications
JP2006295479A (ja) * 2005-04-08 2006-10-26 Matsushita Electric Ind Co Ltd 電力線通信装置及び電力線通信方法
US8406239B2 (en) * 2005-10-03 2013-03-26 Broadcom Corporation Multi-wideband communications over multiple mediums
US8830039B1 (en) * 2011-04-19 2014-09-09 Marvell International Ltd. Method and apparatus for providing communications between an electric vehicle and a charging station
US20130101055A1 (en) * 2011-10-21 2013-04-25 Texas Instruments Incorporated Sub-Band Power Scaling Reporting and Sub-Band Transmit Power Estimation
US20130201316A1 (en) * 2012-01-09 2013-08-08 May Patents Ltd. System and method for server based control
WO2013142662A2 (fr) * 2012-03-23 2013-09-26 Corning Mobile Access Ltd. Puce(s) de circuit intégré à radiofréquence (rfic) servant à fournir des fonctionnalités de système d'antenne à répartition, et composants, systèmes, et procédés connexes
CN104901717A (zh) * 2015-05-22 2015-09-09 万高(杭州)科技有限公司 一种兼容通信设备
US11637612B2 (en) * 2015-08-25 2023-04-25 Cellium Technologies, Ltd. Macro-diversity using hybrid transmissions via twisted pairs
CN109565901B (zh) * 2016-08-12 2021-10-22 富士通株式会社 无线基站、无线装置、无线控制装置、无线通信系统、通信方法以及无线终端
FR3058864B1 (fr) * 2016-11-16 2019-08-02 Thales Procede de determination d'une configuration de relais entre un point d'acces et des terminaux dans une architecture reseau
US10756779B1 (en) * 2018-02-19 2020-08-25 Maxlinear, Inc. Method and system for power line communication coupling and zero cross detector combination
US10763917B1 (en) * 2019-02-19 2020-09-01 Maxlinear, Inc. Method and system for multiple-input multiple-output power line communication coupling
CN114079519B (zh) * 2020-08-18 2023-01-06 华为技术有限公司 一种无源互调故障点的检测方法及装置
US11723040B2 (en) * 2020-10-22 2023-08-08 Apple Inc. Systems and methods for unlicensed wide-band transmission
US20230006889A1 (en) * 2022-08-31 2023-01-05 Akhilesh S. Thyagaturu Flow-specific network slicing

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060142066A1 (en) * 2004-12-02 2006-06-29 Swisscom Mobile Ag Cellular mobile radio network and method for setting up a base station of a cellular mobile radio network
US20120307917A1 (en) * 2011-06-06 2012-12-06 Mariana Goldhamer Connecting various wireless terminals over power lines
CN110739989A (zh) * 2019-10-24 2020-01-31 深圳市泰衡诺科技有限公司 5g回传装置及其通信方法、网络拓扑系统及其通信方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022008083A1 *
WU HUAN ET AL: "Mobile data offloading under attractor selection in heterogeneous networks", 2017 INTERNATIONAL SYMPOSIUM ON WIRELESS COMMUNICATION SYSTEMS (ISWCS), IEEE, 28 August 2017 (2017-08-28), pages 164 - 169, XP033255848, DOI: 10.1109/ISWCS.2017.8108103 *

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